Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 77 insertions, 0 deletions

diff --git a/arch/mips/dec/ioasic-irq.c b/arch/mips/dec/ioasic-irq.c
new file mode 100644
index 00000000..824e08c7
--- /dev/null
+++ b/arch/mips/dec/ioasic-irq.c
@@ -0,0 +1,77 @@
+/*
+ *	DEC I/O ASIC interrupts.
+ *
+ *	Copyright (c) 2002, 2003  Maciej W. Rozycki
+ *
+ *	This program is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU General Public License
+ *	as published by the Free Software Foundation; either version
+ *	2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/types.h>
+
+#include <asm/dec/ioasic.h>
+#include <asm/dec/ioasic_addrs.h>
+#include <asm/dec/ioasic_ints.h>
+
+static int ioasic_irq_base;
+
+static void unmask_ioasic_irq(struct irq_data *d)
+{
+	u32 simr;
+
+	simr = ioasic_read(IO_REG_SIMR);
+	simr |= (1 << (d->irq - ioasic_irq_base));
+	ioasic_write(IO_REG_SIMR, simr);
+}
+
+static void mask_ioasic_irq(struct irq_data *d)
+{
+	u32 simr;
+
+	simr = ioasic_read(IO_REG_SIMR);
+	simr &= ~(1 << (d->irq - ioasic_irq_base));
+	ioasic_write(IO_REG_SIMR, simr);
+}
+
+static void ack_ioasic_irq(struct irq_data *d)
+{
+	mask_ioasic_irq(d);
+	fast_iob();
+}
+
+static struct irq_chip ioasic_irq_type = {
+	.name = "IO-ASIC",
+	.irq_ack = ack_ioasic_irq,
+	.irq_mask = mask_ioasic_irq,
+	.irq_mask_ack = ack_ioasic_irq,
+	.irq_unmask = unmask_ioasic_irq,
+};
+
+static struct irq_chip ioasic_dma_irq_type = {
+	.name = "IO-ASIC-DMA",
+	.irq_ack = ack_ioasic_irq,
+	.irq_mask = mask_ioasic_irq,
+	.irq_mask_ack = ack_ioasic_irq,
+	.irq_unmask = unmask_ioasic_irq,
+};
+
+void __init init_ioasic_irqs(int base)
+{
+	int i;
+
+	/* Mask interrupts. */
+	ioasic_write(IO_REG_SIMR, 0);
+	fast_iob();
+
+	for (i = base; i < base + IO_INR_DMA; i++)
+		irq_set_chip_and_handler(i, &ioasic_irq_type,
+					 handle_level_irq);
+	for (; i < base + IO_IRQ_LINES; i++)
+		irq_set_chip(i, &ioasic_dma_irq_type);
+
+	ioasic_irq_base = base;
+}